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Open Source Software Cyber Security Tools


    The best things in life are free and open-source software is one of them. Security at data and network-level is greatly enhanced by these software tools which open the door to a more safe and secure cyber world.

    1. Gnu PG: Guarding Your Privacy

    The GNU Privacy Guard/GPG is a tool that is used for file and email encryption. A strong encryption measure will provide immense security at the data level. This is a viable open-source alternative to PGP or Pretty Good Privacy. It complies with OpenPGP standards.

    This is a command-line tool part of major Linux offerings such as Ubantu, OpenSUSE, Centos and Fedora So, throw your hat in the ring today and use this amazing tool to protect data by using GPG to generate public and private keys in the backup server and import the port key to all data servers from where the backup has to be taken and encrypt it.

    2. Truecrypt: A Real Solution

    Many open source utilities are there for disk-level encryption. Truecrypt is perfect for disk-level encryption. This open-source security tool is used for on the fly disk encryption. This handy tool is the correct choice because Truecrypt encrypts automatically before data is saved on the disk and decrypts it completely after it is loaded from the disk sans user intervention.

    3. Open Web Application Security Project: Combating Web Vulnerabilities

    Application Security  is as critical as other levels of security because just as web presence and development is increasing, web vulnerabilities are also rising. Application security is important. OWASP is an open-source web app security project which provides best practices and code review steps among other guidelines that developers, architects, and designers can use to develop secure software.

    4. ClamAV: The Perfect Antivirus Tool

    Host level security offers protection for single devices such as servers PCs and laptops. ClamAV is the perfect antivirus system to scan data emanating from different sources. This is an open-source antivirus designed for catching malware, viruses and deadly Trojans which attempt to steal information.

    5. OSSEC: Integrating Security Needs

    Open Source SECurity is an open-source tool that provides SIM and SEM solutions as well as log monitoring. This is an open-source HIDS or Home Based Intrusion Detection System. OSSEC helps customers to meet standards and integrate Security Incident Management and Security Event Management.

    6. Snort: IDS/IPS Tool with a Difference

    Snort is an open-source network IDS/IPS (Intrusion Detection and Prevention System) which performs detection and analysis of network traffic moving across in a more detailed way than an average firewall. IDS and IPS tools are known for analyzing traffic and comparing the packet to a database of previous or known attack profiles. IDS tools  alert IT staff regarding attacks, but IPS systems go a step further-they block harmful traffic. A blend of the two is an essential part of a comprehensive Security architecture.

    7. OpenVAS: Providing Comprehensive Vulnerability Scanning

    OpenVAS is a framework of services and tools offering intensive vulnerability scanning as well as management systems. It is the open-source version of Nessus. Vulnerability management can be added to patch and configuration management plus antivirus software for blocking/destroying malware.

    8. BackTrack: On the Right Path

    This well known Linux based security distribution is employed for penetration testing. This offers a one-stop solution for security needs and comprises more than 300 OSS tools categorized into different areas.

    9. OSSIM: All in One Security Solution

    Open Source Security Information Management provides for a Security Information and Event Management solution that has integrated open-source software’s Snort, OpenVAS, Mrtg, NTOP, and Nmap This is a cost-effective solution for monitoring the health and security of network/hosts.

    10. IPCop: Protecting the Perimeter

    Perimeter…it is the final frontier where the network ends and internet security commences. Perimeter comprises one/more firewalls for protecting the network. IPCop is a Linux based firewall distribution configured and made to protect the network. It can run on individual machines or behind the ISP network. Other functionalities offered by IPCop include the DNS server, proxy server, and DHCP server.

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